He means the original recordings. There were no digital recordings in 1880. Different apparatus, different methods. That’s the point
They can speak for themselves, you and I don't really know what they want, or what they think counts as "raw" data.
Ah, so a painfully obvious attempt at moving goalposts and showering people with bullshit.
They can speak for themselves, you and I don't really know what they want, or what they think counts as "raw" data.